Casual bag



FIG. 1 is a plan view of a casual bag showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a casual bag, as shown and described. 